WebSVN – HelenOS-historic – Diff – /kernel/trunk/arch/ppc32/src/ppc32.c


/*
 * Copyright (C) 2005 Martin Decky
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/** @addtogroup ppc32
 * @{
 */
/** @file
 */
 
#include <arch.h>
#include <arch/boot/boot.h>
#include <arch/drivers/cuda.h>
#include <arch/mm/memory_init.h>
#include <arch/interrupt.h>
#include <genarch/fb/fb.h>
#include <userspace.h>
#include <proc/uarg.h>
#include <console/console.h>
#include <arch/drivers/pic.h>
 
bootinfo_t bootinfo;
 
void arch_pre_main(void)
{
    /* Setup usermode */
    init.cnt = bootinfo.taskmap.count;
   
    uint32_t i;
   
    for (i = 0; i < bootinfo.taskmap.count; i++) {
        init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
        init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
    }
}
 
void arch_pre_mm_init(void)
{
    /* Initialize dispatch table */
    interrupt_init();
 
    /* Start decrementer */
    start_decrementer();
}
 
void arch_post_mm_init(void)
{
    if (config.cpu_active == 1) {
        fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline);   
   
        /* Initialize PIC */
        pic_init(bootinfo.keyboard.addr, PAGE_SIZE);
       
        cuda_init(bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE);
       
        /* Merge all zones to 1 big zone */
        zone_merge_all();
    }
}
 
void arch_pre_smp_init(void)
{
    memory_print_map();
}
 
void arch_post_smp_init(void)
{
}
 
void calibrate_delay_loop(void)
{
}
 
void userspace(uspace_arg_t *kernel_uarg)
{
    userspace_asm((uintptr_t) kernel_uarg->uspace_uarg, (uintptr_t) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (uintptr_t) kernel_uarg->uspace_entry);
   
    /* Unreachable */
    for (;;)
        ;
}
 
/** Acquire console back for kernel
 *
 */
void arch_grab_console(void)
{
    cuda_grab();
}
 
/** Return console to userspace
 *
 */
void arch_release_console(void)
{
    cuda_release();
}
 
/** @}
 */
 

Rev 1756	Rev 1780
1	/*	1	/*
2	* Copyright (C) 2005 Martin Decky	2	* Copyright (C) 2005 Martin Decky
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup ppc32	29	/** @addtogroup ppc32
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#include <arch.h>	35	#include <arch.h>
36	#include <arch/boot/boot.h>	36	#include <arch/boot/boot.h>
37	#include <arch/drivers/cuda.h>	37	#include <arch/drivers/cuda.h>
38	#include <arch/mm/memory_init.h>	38	#include <arch/mm/memory_init.h>
39	#include <arch/interrupt.h>	39	#include <arch/interrupt.h>
40	#include <genarch/fb/fb.h>	40	#include <genarch/fb/fb.h>
41	#include <userspace.h>	41	#include <userspace.h>
42	#include <proc/uarg.h>	42	#include <proc/uarg.h>
43	#include <console/console.h>	43	#include <console/console.h>
44	#include <arch/drivers/pic.h>	44	#include <arch/drivers/pic.h>
45		45
46	bootinfo_t bootinfo;	46	bootinfo_t bootinfo;
47		47
48	void arch_pre_main(void)	48	void arch_pre_main(void)
49	{	49	{
50	/* Setup usermode */	50	/* Setup usermode */
51	init.cnt = bootinfo.taskmap.count;	51	init.cnt = bootinfo.taskmap.count;
52		52
53	__u32 i;	53	uint32_t i;
54		54
55	for (i = 0; i < bootinfo.taskmap.count; i++) {	55	for (i = 0; i < bootinfo.taskmap.count; i++) {
56	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);	56	init.tasks[i].addr = PA2KA(bootinfo.taskmap.tasks[i].addr);
57	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;	57	init.tasks[i].size = bootinfo.taskmap.tasks[i].size;
58	}	58	}
59	}	59	}
60		60
61	void arch_pre_mm_init(void)	61	void arch_pre_mm_init(void)
62	{	62	{
63	/* Initialize dispatch table */	63	/* Initialize dispatch table */
64	interrupt_init();	64	interrupt_init();
65		65
66	/* Start decrementer */	66	/* Start decrementer */
67	start_decrementer();	67	start_decrementer();
68	}	68	}
69		69
70	void arch_post_mm_init(void)	70	void arch_post_mm_init(void)
71	{	71	{
72	if (config.cpu_active == 1) {	72	if (config.cpu_active == 1) {
73	fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline);	73	fb_init(bootinfo.screen.addr, bootinfo.screen.width, bootinfo.screen.height, bootinfo.screen.bpp, bootinfo.screen.scanline);
74		74
75	/* Initialize PIC */	75	/* Initialize PIC */
76	pic_init(bootinfo.keyboard.addr, PAGE_SIZE);	76	pic_init(bootinfo.keyboard.addr, PAGE_SIZE);
77		77
78	cuda_init(bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE);	78	cuda_init(bootinfo.keyboard.addr + 0x16000, 2 * PAGE_SIZE);
79		79
80	/* Merge all zones to 1 big zone */	80	/* Merge all zones to 1 big zone */
81	zone_merge_all();	81	zone_merge_all();
82	}	82	}
83	}	83	}
84		84
85	void arch_pre_smp_init(void)	85	void arch_pre_smp_init(void)
86	{	86	{
87	memory_print_map();	87	memory_print_map();
88	}	88	}
89		89
90	void arch_post_smp_init(void)	90	void arch_post_smp_init(void)
91	{	91	{
92	}	92	}
93		93
94	void calibrate_delay_loop(void)	94	void calibrate_delay_loop(void)
95	{	95	{
96	}	96	}
97		97
98	void userspace(uspace_arg_t *kernel_uarg)	98	void userspace(uspace_arg_t *kernel_uarg)
99	{	99	{
100	userspace_asm((__address) kernel_uarg->uspace_uarg, (__address) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (__address) kernel_uarg->uspace_entry);	100	userspace_asm((uintptr_t) kernel_uarg->uspace_uarg, (uintptr_t) kernel_uarg->uspace_stack + THREAD_STACK_SIZE - SP_DELTA, (uintptr_t) kernel_uarg->uspace_entry);
101		101
102	/* Unreachable */	102	/* Unreachable */
103	for (;;)	103	for (;;)
104	;	104	;
105	}	105	}
106		106
107	/** Acquire console back for kernel	107	/** Acquire console back for kernel
108	*	108	*
109	*/	109	*/
110	void arch_grab_console(void)	110	void arch_grab_console(void)
111	{	111	{
112	cuda_grab();	112	cuda_grab();
113	}	113	}
114		114
115	/** Return console to userspace	115	/** Return console to userspace
116	*	116	*
117	*/	117	*/
118	void arch_release_console(void)	118	void arch_release_console(void)
119	{	119	{
120	cuda_release();	120	cuda_release();
121	}	121	}
122		122
123	/** @}	123	/** @}
124	*/	124	*/
125		125

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/ppc32/src/ppc32.c – Rev 1756 → 1780